There's more than one isupper function is namespace std . One is int std::isupper(int) defined in <cctype>, and the other is template ... ... <看更多>

FREE Courses (100+ hours) - https://calcur.tech/all-in-ones Python Course - https://calcur.tech/python-courses✓ Data Structures ... ... <看更多>

isupper , _isupper_l , iswupper , _iswupper_l. Determines whether an integer represents an uppercase character. Syntax. int isupper( int ... ... <看更多>

text_type. isupper () → bool¶. Return True if all cased characters in S are uppercase and there is at least one cased character in S, False otherwise. ... <看更多>